body {
background-color: #f1f4f9;
}
/* 头部 */
.header {
  overflow: hidden;
  background-color: #f1f4f9;
}
.header .Top {
width: 100%;
height: 2.6125rem;

margin-top: .9375rem;


}
.header .top {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 1.875rem;

}
.header .top .search input {
  height: 100%;
  font-size: 12px;
  color: rgb(198, 198, 198);
  border-radius: 15px;
text-align: center;
width: 11.625rem;

}
.header .top .icon {
  display: flex;
  align-items: center;
  width: 4.0625rem;
  height: 100%;

}
.header .top .icon img {
  width: 100%;
  height: 75%;
}
.header .tobBox {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 2.5rem;
  overflow: hidden;

}


.main {
  display: flex;
  width: 100%;

  margin-top: .75rem;
}

/* 侧边导航 */
.side_nav {
  width: 100px;
height: 100vh;
  background-color: #fff;
}
.side_nav li {
height: 3.4375rem;
  text-align: center;
  line-height:  3.4375rem;
}
.side_nav li:nth-child(1) {
  background-color: #f1f4f9;
  font-weight: 700;
}

/* 内容区 */
.content {
  flex: 1;
  padding: 0 15px;
  box-sizing: border-box;
}

.content img {
  width: 100%;
  height: 6.25rem;
  border-radius: 8px;
}